From: Chris Bagwell <chris@cnpbagwell.com>
Date: Mon, 26 Mar 2012 06:26:20 +0000 (-0700)
Subject: Input: wacom - create inputs when wireless connect
X-Git-Tag: v3.4-rc1~28^2~1^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=16bf288c4be67b68c3fcb6561ff145702cb7bd22;p=pandora-kernel.git

Input: wacom - create inputs when wireless connect

When a tablet connect or disconnect is detected, schedule
work queue to register or unregister related input devices.

When a wireless tablet connects, it reports same USB PID
used if tablet is connected with USB cable. Use this to
update features values, set input capabilities, and then
register device.  From there, the Pen and Touch interfaces
will reuse the existing tablet's IRQ routines.

Its possible that 1 receiver is shared with 2 tablets with
different PID (small and medium Bamboo for example) so the
input is unregister at disconnect to better support this case.

Signed-off-by: Chris Bagwell <chris@cnpbagwell.com>
Tested-by: Jason Gerecke <killertofu@gmail.com>
Acked-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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